<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<script>
			const ste = 'hello';
			console.log(str.at(1));//"e"
			console.log(str.at(-1));//"o"
		</script>
	</body>
</html>
